Grundfos Alarm And Warning Codes - Grundfos CIM 300 User Manual

11. Grundfos alarm and warning codes

This is a complete list of alarm and warning codes for Grundfos products. For the codes supported by this product, see the alarms and
warnings section.
Code Description
1 Leakage current
4 Too many restarts
7 Too many hardware shutdowns
10 Communication fault, pump
13 Moisture alarm, analog
16 Other
19 Diaphragm break (dosing pump)
22 Moisture switch alarm, digital
25 Setup conflict
28 Battery low
Change varistor(s)
31
(specific service information)
34 No priming water
37 Inlet valve leakage
40 Undervoltage
43 -
46 -
49 Overcurrent (i_line, i_dc, i_mo)
52 Motor slip high
Motor current protection activated
55
(MCP)
58 Low flow
61 -
64 -
Temperature too high, internal frequency
67
converter module (t_m)
Thermal relay 2 in motor, for example
70
thermistor
73 Hardware shutdown (HSD)
76 Internal communication fault
79 Functional fault, add-on module
Verification error, code area (ROM,
82
FLASH)
Verification error, BE parameter area
85
(EEPROM)
88 Sensor fault
91 Signal fault, temperature sensor 1
94 Limit exceeded, sensor 1
97 Signal fault, setpoint input
RTC time synchronisation with cellular
100
network occurred
103 Emergency stop
Electronic inverter protection activated
106
(EIP)
109 -
112 Cosφ too high
Too many grinder reversals or grinder
115
reversal attempt failed
118 Signal fault, hydrogen sulfide H2S sensor
Code Description
2 Missing phase
5 Regenerative braking
8 PWM switching frequency reduced
11 Water-in-oil fault (motor oil)
Electronic DC-link protection activated
14
(ERP)
17 Performance requirement cannot be met
20 Insulation resistance low
23 Smart trim gap alarm
Load continues even if the motor has
26
been switched off
Turbine operation (impellers forced
29
backwards)
32 Overvoltage
35 Gas in pump head, de-aerating problem
38 Vent valve defective
41 Undervoltage transient
44 -
47 -
Motor-protection function, general
50
shutdown (MPF)
53 Stalled motor
56 Underload
59 No flow
62 -
Motor temperature 1
65
(t_m or t_mo or t_mo1)
External temperature or water
68
temperature (t_w)
Motor temperature 2
71
(Pt100, t_mo2)
74 Internal supply voltage too high
77 Communication fault, twin-head pump
80 Hardware fault, type 2
Verification error, FE parameter area
83
(EEPROM)
86 Fault (add-on) I/O module
89 Signal fault, (feedback) sensor 1
92 Calibration fault, (feedback) sensor
95 Limit exceeded, sensor 2
98 Signal fault, input for setpoint influence
101 -
104 Software shutdown
107 -
110 Skew load, electrical asymmetry
113 Cosφ too low
116 Grinder motor overtemperature
119 Signal fault, analog input AI4
Code Description
3 External fault signal
6 Mains fault
9 Phase sequence reversal
Time for service (general service
12
information)
Communication fault, main system
15
(SCADA)
18 Commanded alarm standby (trip)
21 Too many starts per hour
24 Vibration
External motor protector activated
27
(for example MP 204)
Change bearings
30
(specific service information)
Soon time for service
33
(general service information)
36 Outlet valve leakage
39 Valve stuck or defective
42 Cut-in fault (dV/dt)
45 Voltage asymmetry
48 Overload
51 Blocked motor or pump
54 Motor-protection function, 3 sec. limit
57 Dry running
60 Low input power
63 -
Temperature, control electronics
66
(t_e)
Thermal relay 1 in motor, for example
69
Klixon
72 Hardware fault, type 1
75 Internal supply voltage too low
78 Fault, speed plug
81 Verification error, data area (RAM)
84 Memory access error
87 -
90 Signal fault, speed sensor
93 Signal fault, sensor 2
96 Setpoint signal outside range
99 Signal fault, input for analog setpoint
102 Dosing pump not ready
Electronic rectifier protection activated
105
(ERP)
108 -
111 Current asymmetry
Motor heater function activated (frost
114
protection)
117 Intrusion (door opened)
Auxiliary winding fault
120
(single phase motors)
25